--- a/doc/manual.tex	Wed Nov 06 13:54:07 2013 +0400
+++ b/doc/manual.tex	Fri Dec 06 08:54:03 2013 -0500
@@ -275,6 +275,8 @@
 
 \item \texttt{-print-ccompiler}: Print the C compiler being used.
 
+\item \texttt{-print-cinclude}: Print the name of the directory where C/C++ header files are installed.
+
 \item \texttt{-protocol [http|cgi|fastcgi|static]}: Set the protocol that the generated application speaks.
   \begin{itemize}
   \item \texttt{http}: This is the default.  It is for building standalone web servers that can be accessed by web browsers directly.